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探讨下消化道出血的早期诊断。主要经常规小肠钡餐、小肠气钡双重造影、动脉造影（其中７例通过动脉导管放入钢丝标记）、核素扫描、纤维结肠镜等单项或多项检查，最终经手术和病理确诊。８３８％病变位于空、回肠，１６２％位于结、直肠。血管畸形占３５０％，小肠平滑肌肿瘤占２６２％。各科医生密切配合、合理掌握各种诊断手段适应证和时机可望早期诊断下消化道出血。经动脉导管放置钢丝标记出血部位有益术中找出病灶所在肠段。
Explore the early diagnosis of lower gastrointestinal bleeding. Mainly by conventional small intestine barium meal, barium double contrast barium, arterial angiography (including 7 cases of catheterization through the wire marks), radionuclide scanning, colonoscopy and other single or multiple examination, the final diagnosis by surgery and pathology. 83.8% of lesions located in the empty, ileum, 16 2% in the junction, rectum. Vascular malformations accounted for 35 0%, intestinal smooth muscle tumors accounted for 26 2%. Closely cooperate with all the doctors, reasonably grasp a variety of diagnostic indications and timing is expected to early diagnosis of lower gastrointestinal bleeding. The ductus arteriosus placed on the wire labeled bleeding site beneficial surgery to find the lesion where the bowel.